public void Save_AppUser_ValuesIncrement() { AppUserMapper appuserMapper = new AppUserMapper(this.client, this.database); Guid applicationId = Guid.NewGuid(); AppUserSummary expected = new AppUserSummary() { ApplicationId = applicationId, Count = 2, Date = date, PlatformId = platform, Version = version, Users = new List<UserAggregate>() { new UserAggregate() { Key = SexType.Male, AgeGroup = new AgeGroup(null) { _25_35 = 2 }, Count = 2 } } }; AppUserSummary summary = new AppUserSummary() { ApplicationId = applicationId, Count = 1, Date = date, PlatformId = platform, Users = new List<UserAggregate>() { new UserAggregate(SexType.Male, 30) }, Version = version }; appuserMapper.Save(summary); appuserMapper.Save(summary); IMongoQuery query = Query.And ( Query<AppUserSummary>.EQ<DateTime>(mem => mem.Date, date), Query<AppUserSummary>.EQ<Guid>(mem => mem.ApplicationId, applicationId), Query<AppUserSummary>.EQ<string>(mem => mem.Version, version), Query<AppUserSummary>.EQ<PlatformType>(mem => mem.PlatformId, platform) ); AppUserSummary actual = this.GetCollection<AppUserSummary>().FindOne(query); actual.ShouldHave().AllPropertiesBut(x => x.Id) .IncludingNestedObjects().EqualTo(expected); }